Silver Book Fact
In late stage Parkinson’s disease, as much as 80% of total costs of disease are due to indirect costs such as loss of income from patient and caregivers and poor quality of life.
Dowding C, Shenton C, Salek S. A Review of the Health-Related Quality of Life and Economic Impact of Parkinson’s Disease. Drugs Aging. 2006; 23(9): 693-721. http://www.ncbi.nlm.nih.gov/pubmed/17020395